Brooklyn · Block 4864 · Lot 18 · 11203

780 Troy Avenue

2 floors · 2 apartments · 2,560 sq ft · built 1920 · class B1 · owner of record: Williams, Karen

9open violations
$6,250ECB/OATH penalties owed
0HPD class C (immediately hazardous)
Overdueto Annual property registration

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New violations the morning after they're issued, plus deadline reminders. Free for one building.

Compliance deadlines

RequirementDueStatus
Annual property registration Check
HPD registration · September 1 each year
What this is

Residential buildings with three or more units, and one- and two-family homes the owner doesn't occupy, register with HPD every year ($13 fee). An unregistered building can't start a nonpayment case in Housing Court and faces civil penalties. Agency page

OverdueRegistration expired 2026-09-01

Open violations

ECB / OATH (2) · $6,250 owed
IssuedViolationHearingBalance
Jan 6, 2025Construction CLASS - 2
AS PER PREVIOUS REQUEST FOR CORRECTIVE ACTION ISSUED ON 06/07/2024. FOR WORK WITHOUT A PERMIT . AT TIME OF INSPECTION ,OBSERVED A LEGAL 2 STORY FAMILY DWELLING ,CELLAR ERECTED FULL HEIGHT PARTITION WALLS CREATI
#39134675P
Mar 12, 2025
DEFAULT
$6,250
Jun 30, 2017Construction CLASS - 2
OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O & DOB RECORDS. PARTITIONSERECTED CREATING ILLEGAL USE OF RMS FOR LIVING @CELLAR.FULL BEDROOM ISPRESENT COMPLETED W/BATHTUB,SHOWER STALL,WASH-BASIN & WATER-CLOSET.REM
#35242037N
Feb 7, 2018
WRITTEN OFF
$0
DOB (1)
IssuedViolationStatus
Jun 7, 2024CONSTRUCTION
WORK-WITHOUT PERMIT. AT TIME OF INSPECTION, OBSERVED A LEGAL 2 STORY, 2 FAMILY DWELLING, CELLAR ERECTED FULL HEIGHT PARTITION WALLS CREATING 5 ROOMS, ELECTRICAL WIRING THROUGHOUT, 3-PIECE BATHROOM WATER AND WASTE LINES. THERE ARE NO PERMIT ISSUED FOR SCOPE OF WORK COMPLETED.
#24-01526
DOB VIOLATION - ACTIVE
DOB NOW Safety (0)

None open.

HPD (6) · C 0 · B 4 · A 2
IssuedClassViolationCorrect by
Feb 6, 2026BApt 1 · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE DOOR IN THE BATHROOM LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTMar 13, 2026
Feb 6, 2026AApt 1 · § 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMICK FLOOR TILES IN THE KITCHEN LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTMay 12, 2026
Feb 6, 2026AApt 1 · § 27-2005 ADMIN. CODE: REFIT LOWER WINDOW SASHES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTMay 12, 2026
Sep 11, 2025BApt FL1 · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SASH LOCK AT LOWER SASH 2ND WINDOW FROM SOUTH AT WEST, IN THE 6th ROOM FROM EAST AT SOUTH LOCATED AT APT FL1, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTOct 16, 2025
Sep 11, 2025BApt FL1 · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SASH LOCK AT LOWER SASH 1ST WINDOW FROM SOUTH AT WEST, IN THE 6th ROOM FROM EAST AT NORTH LOCATED AT APT FL1, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTOct 16, 2025
Oct 7, 2019BApt 1 · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORYNov 11, 2019

Check the agency records

Always confirm on the city's own systems before acting: DOB BIS property profile · DOB NOW · HPD Online · Pay ECB/OATH penalties (CityPay)

City records as of Oct 25, 2026, 4:44 PM ET. BBL 3048640018.

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